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Old 01-26-2014, 08:52 PM   #1
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Trying to narrow down issues

I just bought my first TJ. 97 with 120,000 miles. Drives very well; I bought it yesterday and I absolutely love it.

However, the clutch seems to be doing weird things. Shifts fine between second and fifth. Though with first and reverse I'm having some issues. About half the time, I have to release and re-engage the clutch in order for the shifter to move into first. For reverse, it'll grind no fairly regularly. I checked the clutch master cylinder and there seemed to be plenty of fluid in it.

Any info I can get would be helpful. Is my clutch going out? Something else in the transmission? Thanks everyone

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Old 01-26-2014, 08:58 PM   #2
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It's not synchronized.

Here is way more than I know.

http://en.m.wikipedia.org/wiki/Manual_transmission

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Old 01-26-2014, 09:01 PM   #3
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First and reverse not syncroed so before first or reverse do 2 things

1 only shift to first or reverse if jeep not moving
2 with clutch pressed down first put shifter in 2nd to stop input shaft using 2nd gear syncro then with clutch still in shift to desired first or reverse and should go in no prob

This is completely normal
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Old 01-26-2014, 09:03 PM   #4
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Nice explanation Digger.
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Old 01-26-2014, 09:06 PM   #5
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Quote:
Originally Posted by Digger84 View Post
with clutch pressed down first put shifter in 2nd to stop input shaft using 2nd gear syncro then with clutch still in shift to desired first or reverse and should go in no prob
now that you mention it, I did realize that going to second before going to first made a huge difference. Thank you for putting my mind at ease; I haven't driven a clutch in years and those were only ever on small cars. Thanks a bunch!
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Old 01-26-2014, 09:15 PM   #6
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I have had problems with my synchros too. When super cold (In Ohio) 2nd gear basically never works just grinds or pops right out. Reverse is tough too and tough to shift into first. Even grinded going into third twice today. Called my mechanic and he said if its synchros going bad itd be a transmission rebuild. Taking it to the dealer I bought it from A MONTH ago and they are going to look at it tomorrow morning
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Old 01-26-2014, 09:31 PM   #7
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I have had problems with my synchros too. When super cold (In Ohio) 2nd gear basically never works just grinds or pops right out. Reverse is tough too and tough to shift into first. Even grinded going into third twice today. Called my mechanic and he said if its synchros going bad itd be a transmission rebuild. Taking it to the dealer I bought it from A MONTH ago and they are going to look at it tomorrow morning
I'll tell you what it is and you won't believe me. Your rubber shift boot in the Jeep is freezing. When it's warm inside the jeep it quits? I replaced mine with a leather one from redline goods problem solved. There armrest cover sucked and don't fit. Shift boot great for cold weather.
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Old 01-26-2014, 09:38 PM   #8
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I'll tell you what it is and you won't believe me. Your rubber shift boot in the Jeep is freezing. When it's warm inside the jeep it quits? I replaced mine with a leather one from redline goods problem solved. There armrest cover sucked and don't fit. Shift boot great for cold weather.
Hmm that's interesting. 2nd gear is bad reguardless of temp inside the Jeep. Its just worse the colder it gets outside. Its been SUPER cold lately like below 0. Although today it was up around 32+ outside and 2nd gear was better. Always hard to shift into 1st. sometimes have to practically force it into gear
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Old 01-26-2014, 09:43 PM   #9
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I couldn't drive in Alaska until my interior warmed up till I got that boot. Would pop out of gear or not go. You can test it by simply removing the boot. I bought my redline boot off advice of
Someone I was stationed with. Saved me a fortune being able to jump in and leave without it warming up 20 minutes. I have had my Jeep 14
Years to so once I got stationed there I could just tell why it was happening if that makes since.
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Old 01-26-2014, 09:46 PM   #10
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Just seen your previous. My second gear was rough a bit when new. Don't know if it was me
Going from a short throw car or what. It either fixed itself or I quit doing it. Not sure what it was though.
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Old 01-26-2014, 09:49 PM   #11
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I couldn't drive in Alaska until my interior warmed up till I got that boot. Would pop out of gear or not go. You can test it by simply removing the boot. I bought my redline boot off advice of
Someone I was stationed with. Saved me a fortune being able to jump in and leave without it warming up 20 minutes. I have had my Jeep 14
Years to so once I got stationed there I could just tell why it was happening if that makes since.
Man we complain about cold in Ohio I don't wanna imagine Alaska! I will give the boot thing a try. I almost never leave in the morning without warming mine for about 10 min. It was like -40 last week though after wind chill that wasn't much fun..
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Old 01-26-2014, 09:58 PM   #12
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Ya that temp will do it. Remove the boot completely before you buy one see if it fixes it. They are 50 bucks and beautiful. But waste not want not.

Edit you can see my heated seat switches I put in by the cig lighter to lol. Just noticed that.
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Old 02-15-2014, 01:08 PM   #13
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Hey all, I hope this thread isn't dead. I'm new to the posting, but have been reading this forum for a decade it seems. Just bought my 5th Jeep, (2nd TJ) and biggest mess ever. Thought I was helping a guy out that just got back from Iraq (didn't have the cash to fix the problems he told me about), but it seems that it had every problem you can imagine. So far I have replaced all gaskets and seals (except head), master/slave, blown out rear spiders (upgraded gears) and when I finally got it street drivable.. I realize that I have the worst death wobble Ive ever seen and the synchros are shot (1st/2nd and 3rd/4th). That all said, it gives me all the reason to make it mine, just was hoping to spend half the money on the motor upgrade (stroker). My question is this... is their an upgrade for 1st/2nd synchros or stay stay with Mopar? I bought the last 3rd/4th left at Jeep in the country today..

Thanks brothers,

Jeff B.


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